/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 * All rights reserved.
 *
 * Licensed under the Oculus SDK License Agreement (the "License");
 * you may not use the Oculus SDK except in compliance with the License,
 * which is provided at the time of installation or download, or which
 * otherwise accompanies this software in either electronic or hard copy form.
 *
 * You may obtain a copy of the License at
 *
 * https://developer.oculus.com/licenses/oculussdk/
 *
 * Unless required by applicable law or agreed to in writing, the Oculus SDK
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System;
using System.Text;
using UnityEngine;
using UnityEngine.Assertions;


namespace UnityEngine.EventSystems
{
    /// <summary>
    /// Extension of Unity's PointerEventData to support ray based pointing and also touchpad swiping
    /// </summary>
    public class OVRPointerEventData : PointerEventData
    {
        public OVRPointerEventData(EventSystem eventSystem)
            : base(eventSystem)
        {

        }

        public Ray worldSpaceRay;
        public Vector2 swipeStart;

        public override string ToString()
        {
            var sb = new StringBuilder();
            sb.AppendLine("<b>Position</b>: " + position);
            sb.AppendLine("<b>delta</b>: " + delta);
            sb.AppendLine("<b>eligibleForClick</b>: " + eligibleForClick);
            sb.AppendLine("<b>pointerEnter</b>: " + pointerEnter);
            sb.AppendLine("<b>pointerPress</b>: " + pointerPress);
            sb.AppendLine("<b>lastPointerPress</b>: " + lastPress);
            sb.AppendLine("<b>pointerDrag</b>: " + pointerDrag);
            sb.AppendLine("<b>worldSpaceRay</b>: " + worldSpaceRay);
            sb.AppendLine("<b>swipeStart</b>: " + swipeStart);
            sb.AppendLine("<b>Use Drag Threshold</b>: " + useDragThreshold);
            return sb.ToString();
        }

    }


    /// <summary>
    /// Static helpers for OVRPointerEventData.
    /// </summary>
    public static class PointerEventDataExtension
    {

        public static bool IsVRPointer(this PointerEventData pointerEventData)
        {
            return (pointerEventData is OVRPointerEventData);
        }
        public static Ray GetRay(this PointerEventData pointerEventData)
        {
            OVRPointerEventData vrPointerEventData = pointerEventData as OVRPointerEventData;
            Assert.IsNotNull(vrPointerEventData);

            return vrPointerEventData.worldSpaceRay;
        }
        public static Vector2 GetSwipeStart(this PointerEventData pointerEventData)
        {
            OVRPointerEventData vrPointerEventData = pointerEventData as OVRPointerEventData;
            Assert.IsNotNull(vrPointerEventData);

            return vrPointerEventData.swipeStart;
        }
        public static void SetSwipeStart(this PointerEventData pointerEventData, Vector2 start)
        {
            OVRPointerEventData vrPointerEventData = pointerEventData as OVRPointerEventData;
            Assert.IsNotNull(vrPointerEventData);

            vrPointerEventData.swipeStart = start;
        }




    }
}